305305212043634 has 16 divisors (see below), whose sum is σ = 515706164626176. Its totient is φ = 134298480370800.

The previous prime is 305305212043627. The next prime is 305305212043691. The reversal of 305305212043634 is 436340212503503.

It is a super-2 number, since 2×305305212043634² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 305305212043591 and 305305212043600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223830799937 + ... + 223830801300.

It is an arithmetic number, because the mean of its divisors is an integer number (32231635289136).

Almost surely, 2^{305305212043634} is an apocalyptic number.

305305212043634 is a deficient number, since it is larger than the sum of its proper divisors (210400952582542).

305305212043634 is a wasteful number, since it uses less digits than its factorization.

305305212043634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447661601281.

The product of its (nonzero) digits is 777600, while the sum is 41.

The spelling of 305305212043634 in words is "three hundred five trillion, three hundred five billion, two hundred twelve million, forty-three thousand, six hundred thirty-four".